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#
# facade.rb
#
# Copyright (c) 1998-2003 Minero Aoki <aamine@loveruby.net>
#
# This program is free software.
# You can distribute/modify this program under the terms of
# the GNU Lesser General Public License version 2 or later.
#
require 'tmail/utils'
module TMail
class Mail
def header_string( name, default = nil )
h = @header[name.downcase] or return default
h.to_s
end
###
### attributes
###
include TextUtils
def set_string_array_attr( key, strs )
strs.flatten!
if strs.empty?
@header.delete key.downcase
else
store key, strs.join(', ')
end
strs
end
private :set_string_array_attr
def set_string_attr( key, str )
if str
store key, str
else
@header.delete key.downcase
end
str
end
private :set_string_attr
def set_addrfield( name, arg )
if arg
h = HeaderField.internal_new(name, @config)
h.addrs.replace [arg].flatten
@header[name] = h
else
@header.delete name
end
arg
end
private :set_addrfield
def addrs2specs( addrs )
return nil unless addrs
list = addrs.map {|addr|
if addr.address_group?
then addr.map {|a| a.spec }
else addr.spec
end
}.flatten
return nil if list.empty?
list
end
private :addrs2specs
#
# date time
#
def date( default = nil )
if h = @header['date']
h.date
else
default
end
end
def date=( time )
if time
store 'Date', time2str(time)
else
@header.delete 'date'
end
time
end
def strftime( fmt, default = nil )
if t = date
t.strftime(fmt)
else
default
end
end
#
# destination
#
def to_addrs( default = nil )
if h = @header['to']
h.addrs
else
default
end
end
def cc_addrs( default = nil )
if h = @header['cc']
h.addrs
else
default
end
end
def bcc_addrs( default = nil )
if h = @header['bcc']
h.addrs
else
default
end
end
def to_addrs=( arg )
set_addrfield 'to', arg
end
def cc_addrs=( arg )
set_addrfield 'cc', arg
end
def bcc_addrs=( arg )
set_addrfield 'bcc', arg
end
def to( default = nil )
addrs2specs(to_addrs(nil)) || default
end
def cc( default = nil )
addrs2specs(cc_addrs(nil)) || default
end
def bcc( default = nil )
addrs2specs(bcc_addrs(nil)) || default
end
def to=( *strs )
set_string_array_attr 'To', strs
end
def cc=( *strs )
set_string_array_attr 'Cc', strs
end
def bcc=( *strs )
set_string_array_attr 'Bcc', strs
end
#
# originator
#
def from_addrs( default = nil )
if h = @header['from']
h.addrs
else
default
end
end
def from_addrs=( arg )
set_addrfield 'from', arg
end
def from( default = nil )
addrs2specs(from_addrs(nil)) || default
end
def from=( *strs )
set_string_array_attr 'From', strs
end
def friendly_from( default = nil )
h = @header['from']
a, = h.addrs
return default unless a
return a.phrase if a.phrase
return h.comments.join(' ') unless h.comments.empty?
a.spec
end
def reply_to_addrs( default = nil )
if h = @header['reply-to']
h.addrs
else
default
end
end
def reply_to_addrs=( arg )
set_addrfield 'reply-to', arg
end
def reply_to( default = nil )
addrs2specs(reply_to_addrs(nil)) || default
end
def reply_to=( *strs )
set_string_array_attr 'Reply-To', strs
end
def sender_addr( default = nil )
f = @header['sender'] or return default
f.addr or return default
end
def sender_addr=( addr )
if addr
h = HeaderField.internal_new('sender', @config)
h.addr = addr
@header['sender'] = h
else
@header.delete 'sender'
end
addr
end
def sender( default )
f = @header['sender'] or return default
a = f.addr or return default
a.spec
end
def sender=( str )
set_string_attr 'Sender', str
end
#
# subject
#
def subject( default = nil )
if h = @header['subject']
h.body
else
default
end
end
alias quoted_subject subject
def subject=( str )
set_string_attr 'Subject', str
end
#
# identity & threading
#
def message_id( default = nil )
if h = @header['message-id']
h.id || default
else
default
end
end
def message_id=( str )
set_string_attr 'Message-Id', str
end
def in_reply_to( default = nil )
if h = @header['in-reply-to']
h.ids
else
default
end
end
def in_reply_to=( *idstrs )
set_string_array_attr 'In-Reply-To', idstrs
end
def references( default = nil )
if h = @header['references']
h.refs
else
default
end
end
def references=( *strs )
set_string_array_attr 'References', strs
end
#
# MIME headers
#
def mime_version( default = nil )
if h = @header['mime-version']
h.version || default
else
default
end
end
def mime_version=( m, opt = nil )
if opt
if h = @header['mime-version']
h.major = m
h.minor = opt
else
store 'Mime-Version', "#{m}.#{opt}"
end
else
store 'Mime-Version', m
end
m
end
def content_type( default = nil )
if h = @header['content-type']
h.content_type || default
else
default
end
end
def main_type( default = nil )
if h = @header['content-type']
h.main_type || default
else
default
end
end
def sub_type( default = nil )
if h = @header['content-type']
h.sub_type || default
else
default
end
end
def set_content_type( str, sub = nil, param = nil )
if sub
main, sub = str, sub
else
main, sub = str.split(%r</>, 2)
raise ArgumentError, "sub type missing: #{str.inspect}" unless sub
end
if h = @header['content-type']
h.main_type = main
h.sub_type = sub
h.params.clear
else
store 'Content-Type', "#{main}/#{sub}"
end
@header['content-type'].params.replace param if param
str
end
alias content_type= set_content_type
def type_param( name, default = nil )
if h = @header['content-type']
h[name] || default
else
default
end
end
def charset( default = nil )
if h = @header['content-type']
h['charset'] or default
else
default
end
end
def charset=( str )
if str
if h = @header[ 'content-type' ]
h['charset'] = str
else
store 'Content-Type', "text/plain; charset=#{str}"
end
end
str
end
def transfer_encoding( default = nil )
if h = @header['content-transfer-encoding']
h.encoding || default
else
default
end
end
def transfer_encoding=( str )
set_string_attr 'Content-Transfer-Encoding', str
end
alias encoding transfer_encoding
alias encoding= transfer_encoding=
alias content_transfer_encoding transfer_encoding
alias content_transfer_encoding= transfer_encoding=
def disposition( default = nil )
if h = @header['content-disposition']
h.disposition || default
else
default
end
end
alias content_disposition disposition
def set_disposition( str, params = nil )
if h = @header['content-disposition']
h.disposition = str
h.params.clear
else
h = store('Content-Disposition', str)
end
h.params.replace params if params
end
alias disposition= set_disposition
alias set_content_disposition set_disposition
alias content_disposition= set_disposition
def disposition_param( name, default = nil )
if h = @header['content-disposition']
h[name] || default
else
default
end
end
###
### utils
###
def create_reply
mail = TMail::Mail.parse('')
mail.subject = 'Re: ' + subject('').sub(/\A(?:\[[^\]]+\])?(?:\s*Re:)*\s*/i, '')
mail.to_addrs = reply_addresses([])
mail.in_reply_to = [message_id(nil)].compact
mail.references = references([]) + [message_id(nil)].compact
mail.mime_version = '1.0'
mail
end
def base64_encode
store 'Content-Transfer-Encoding', 'Base64'
self.body = Base64.folding_encode(self.body)
end
def base64_decode
if /base64/i === self.transfer_encoding('')
store 'Content-Transfer-Encoding', '8bit'
self.body = Base64.decode(self.body, @config.strict_base64decode?)
end
end
def destinations( default = nil )
ret = []
%w( to cc bcc ).each do |nm|
if h = @header[nm]
h.addrs.each {|i| ret.push i.address }
end
end
ret.empty? ? default : ret
end
def each_destination( &block )
destinations([]).each do |i|
if Address === i
yield i
else
i.each(&block)
end
end
end
alias each_dest each_destination
def reply_addresses( default = nil )
reply_to_addrs(nil) or from_addrs(nil) or default
end
def error_reply_addresses( default = nil )
if s = sender(nil)
[s]
else
from_addrs(default)
end
end
def multipart?
main_type('').downcase == 'multipart'
end
end # class Mail
end # module TMail
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